diff --git a/README.md b/README.md
index 6f0fd67..b8c1baa 100644
--- a/README.md
+++ b/README.md
@@ -27,6 +27,7 @@ I want to automate as much as possible which makes sense and is easy to build.
   - temperature :white_check_mark:
   - water level for water tank :white_check_mark:
 - LED grow light control (on/off, dimming, max. 12V 50W load ) :large_blue_circle:
+  - You can of course use a relais as well, if you want to drive 220V lights
 - fan control (on/off, (PWM?) max 1A) :large_blue_circle:
 - pump control for automatic watering (max 1A) :large_blue_circle:
 - Web UI and REST API for data and controlling :red_circle: